Riau is a province of Indonesia. It is located on the central eastern coast of the island of Sumatra, and extends from the eastern slopes of the Barisan Mountains to the Malacca Strait, including several large islands situated within the Strait. The province shares land borders with North Sumatra to the northwest, West Sumatra to the west, and Jambi to the south, and a maritime border with the Riau Islands and the country of Malaysia to the east. It is the second-largest province in the island of Sumatra after South Sumatra, and is slightly larger than the nation of Jordan. According to the 2020 census, Riau had a population of 6,394,087 across a land area of 89,935.90 km²; the official estimate of population as of mid-2023 was 6,642,874. The province comprises ten regencies and two cities, with Pekanbaru serving as the capital and largest city.
The Riau Islands is a province of Indonesia—not to be confused with neighbouring Riau Province from which the Riau Islands Province were separated in 2002. The capital of the province is Tanjung Pinang, while the largest city is Batam. It shares a maritime border with Riau and Jambi to the east, Bangka Belitung Islands to the south, Singapore to the northeast, Malaysia and West Kalimantan to the west, and Vietnam and Cambodia to the north. It comprises a total of 2,028 islands scattered between Sumatra, Malay Peninsula, and Borneo including the Riau Archipelago. Situated on one of the world's busiest shipping lanes along the Malacca Strait and the Natuna Sea, the province shares water borders with neighboring countries such as Singapore, Malaysia, and Brunei. The Riau Islands also have relatively large potential mineral resources and energy, as well as marine resources.
The Riau Archipelago is a geographic term for the core group of islands within the Riau Islands Province in Indonesia, and located south of Singapore and east of Riau on Sumatra. Before the province of Riau Islands was formed, there was no ambiguity in term; however, in Indonesian language, both the archipelago and administrative province are referred to simply as "Kepulauan Riau". The province may have the word "Provinsi" preceding it for clarity. Additionally, the term BBK for Batam Bintan Karimun may refer to the archipelago.
Batam is the largest city in the province of Riau Islands, Indonesia. The city administrative area covers three main islands of Batam, Rempang, and Galang, as well as Bulang to the west and several smaller islands. Batam Island is the core urban and industrial zone, while both Rempang Island and Galang Island maintain their rural character and low-density population; they are connected to Batam Island by short bridges. Bulang Island and the islands to its north forming Belakang Padang District lie to the west of Batam Island but are also administratively within the city. Batam is an industrial boomtown, an emerging transport hub, and part of a free trade zone in the Indonesia–Malaysia–Singapore Growth Triangle, located 20 km (12 mi) off Singapore's south coast.
Pekanbaru is the capital city of the Indonesian province of Riau, and a major economic centre on the eastern side of Sumatra Island with its name derived from the Malay words for 'new market' . It has an area of 632.26 km2 (244.12 sq mi), with a population of 897,767 at the 2010 Census, and 983,356 at the 2020 Census; the official estimate as at mid 2023 was 1,123,348. It is located on the banks of the Siak River, which flows into the Strait of Malacca, Pekanbaru has direct access to the busy strait and has long been known as a trading port.
Bintan Island or Negeri Segantang Lada is an island in the Riau archipelago of Indonesia. It is part of the Riau Islands province, the capital of which, Tanjung Pinang, lies in the island's south and is the island's main community.
Great Karimun, also known as Mawas Island, is one of the islands in the Riau Islands province of Indonesia, administratively part of Karimun Regency. It lies about 37 km southwest of Singapore, 54 km west of Batam, 24 km northeast of Rangsang Island and 32 km north of Kundur Island.
The Lingga Regency is a group of islands in Indonesia, located south of Singapore, along both sides of the equator, off the eastern coast of Riau Province on Sumatra island. They are south of the populated Riau Archipelago, known for the industrial island of Batam and the tourist-frequented island of Bintan, although the Lingga Islands themselves are rarely visited due to the infrequent local transportation. The equator goes through the northern tip of Lingga Island, the main island in the archipelago.
Tanjungpinang, also colloquially written as Tanjung Pinang, is the capital city of the Indonesian province of Riau Islands. It covers a land area of 144.56 km2, mainly in the southern part of Bintan Island, as well as other smaller islands such as Dompak Island and Penyengat Island. With a population of 227,663 at the 2020 Census, it is the second largest city of the province, after Batam; the official estimate as at mid 2023 was 234,840. Tanjungpinang is a historic city of the Malay culture, having served as the capital of both Johor Sultanate and Riau-Lingga Sultanate.
Belawan is a harbor in Medan, North Sumatra. Located on the northeast coast of Sumatra, Belawan is Indonesia's busiest seaport outside of Java. It constitutes the most northerly of the city of Medan's 21 administrative districts (kecamatan), and covers an area of 29.44 km2; at the 2010 Census it had a population of 95,506.
Dumai, is a coastal city in Riau Province on the island of Sumatra, Indonesia. The city has an area of 2,065.59 km2 and had 338,064 inhabitants at the mid 2023 official estimate. Dumai has a domestic airport, Pinang Kampai Airport. Dumai is an important transport and trade centre, both regionally and internationally, especially to Malaysia. Dumai is rich in oil.
The Singapore Cruise Centre is a cruise terminal located in the south of Singapore next to HarbourFront Centre in the vicinity of HarbourFront and in Keppel Harbour, near HarbourFront MRT station.
Tanjungbalai, also colloquially written as Tanjung Balai, is a city in North Sumatra province, Indonesia, on the estuary of the Asahan River. It has an area of 60.52 square kilometers (23.37 sq mi) and the sixth largest kota (urban) population in North Sumatra with 154,445 inhabitants in the 2010 census and 176,027 at the 2020 Census; the official estimate as at mid 2023 was 183,170 - comprising 92,715 males and 90,455 females. The town has a ferry terminal with services to Port Klang, Malaysia, and the city-island of Singapore.
Bintan Regency is an administrative area in the Riau Islands Province of Indonesia. Bintan Regency includes all of Bintan Island and also includes many outlying islands including the Tambelan Archipelago and Badas Islands situated between Bintan and West Kalimantan; altogether there are 273 islands comprising the regency.
Kundur Island is an island within the Riau Archipelago, part of the Riau Islands Province of Indonesia. It lies at about 80 kilometres southwest of Singapore, 76 kilometres (47 mi) southwest of Batam, 32 kilometres (20 mi) south of Great Karimun Island, 172 kilometres (107 mi) northwest of Lingga Islands and 120 kilometres (75 mi) west of Tanjung Pinang. It has an area of about 304 square kilometres (117 sq mi), not including Buru District. According to the 2010 Census population, the population of Kundur Island was 67,090. As Kundur does not have an airport, all visitors arrive by ferry.
The Singapore Strait crossing is a proposed tunnel, bridge or combination of the two spanning the Singapore Strait and linking Singapore with the Riau archipelago of Indonesia, most likely with the island of Batam. In the early 1990s the Riau Islands experienced a major economic boom in response to the development of an industrial estate on Batam, located 15 km (9 mi) southeast of Singapore. Singapore and Batam currently are connected only by ferry service.
The Batam-Bintan Bridge, also known as the Babin Bridge is a proposed series of cable-stayed bridges crossing the Riau Strait between the islands of Batam and Bintan in the Riau Islands of Indonesia, near Singapore. The cost is estimated at 13.66 trillion rupiah, which is planned to be provided under a joint government-enterprises financing scheme. As of 2023, soil investigation is in progress but construction work has not commenced.
Padang metropolitan area or officially Palapa; is a metropolitan area located in Indonesia. This area includes Padang city and its surrounding areas such as Padang city, Pariaman city, Padang Pariaman Regency with later include Solok city and Solok Regency (part) due to increase mobility between area. This region of West Sumatra province, officially the biggest city in Sumatra island directly facing Indian Ocean. Padang city also host First Summit Indian Ocean Rim Association in 2017. It has an area of 3,206.85 km2, and at the 2023 estimate had a population of 1,752,482
Indonesia 
Riau Islands 
Rp 281.732 trillion
