Atlanta has 17 sister cities, as designated by Sister Cities International, Inc. (SCI): [1] [2]
Atlanta is the capital and most populous city in the U.S. state of Georgia. With an estimated 2017 population of 486,290, it is also the 38th most-populous city in the United States. The city serves as the cultural and economic center of the Atlanta metropolitan area, home to 5.8 million people and the ninth-largest metropolitan area in the nation. Atlanta is the seat of Fulton County, the most populous county in Georgia. A small portion of the city extends eastward into neighboring DeKalb County.
Sister Cities International (SCI) is a nonprofit citizen diplomacy network that creates and strengthens partnerships between communities in the United States and those in other countries, particularly through the establishment of "sister cities". More than 2,000 cities, states and counties are partnered in over 140 countries around the world. The organization "strives to build global cooperation at the municipal level, promote cultural understanding and stimulate economic development".
 Cotonou is the largest city and economic centre of Benin.  Rio de Janeiro, or simply Rio, is anchor to the Rio de Janeiro metropolitan area and the second-most populous municipality in Brazil and the sixth-most populous in the Americas. Rio de Janeiro is the capital of the state of Rio de Janeiro, Brazil's third-most populous state. Part of the city has been designated as a World Heritage Site, named "Rio de Janeiro: Carioca Landscapes between the Mountain and the Sea", by UNESCO on 1 July 2012 as a Cultural Landscape.  Salcedo is the capital city of the Hermanas Mirabal Province in the Dominican Republic. |
 Tbilisi, in some countries also still known by its pre-1936 international designation Tiflis, is the capital and the largest city of Georgia, lying on the banks of the Kura River with a population of approximately 1.5 million people. Founded in the 5th century AD by Vakhtang I of Iberia, since then Tbilisi served as the capital of various Georgian kingdoms and republics. Between 1801 and 1917, then part of the Russian Empire, Tbilisi was the seat of the Imperial Viceroy, governing both Southern and Northern Caucasus.  Olympia, is a small town in Elis on the Peloponnese peninsula in Greece, famous for the nearby archaeological site of the same name, which was a major Panhellenic religious sanctuary of ancient Greece, where the ancient Olympic Games were held. The site was primarily dedicated to Zeus and drew visitors from all over the Greek world as one of a group of such "Panhellenic" centres which helped to build the identity of the ancient Greeks as a nation. Despite the name, it is nowhere near Mount Olympus in northern Greece, where the Twelve Olympians, the major deities of Ancient Greek religion, were believed to live.  Ra'anana is a city in the heart of the southern Sharon Plain of the Central District of Israel. Bordered by Kfar Saba on the east and Herzliya on the southwest, it had a population of 72,810 in 2017. While the majority of its residents are immigrants from the Americas and Europe. |
 Taipei, officially known as Taipei City, is the capital and a special municipality of Taiwan. Sitting at the northern tip of the island, Taipei City is an enclave of the municipality of New Taipei City that sits about 25 km (16 mi) southwest of the northern port city Keelung. Most of the city is located in the Taipei Basin, an ancient lakebed. The basin is bounded by the relatively narrow valleys of the Keelung and Xindian rivers, which join to form the Tamsui River along the city's western border.  Taiwan, officially the Republic of China (ROC), is a state in East Asia. Neighbouring states include the People's Republic of China (PRC) to the west, Japan to the northeast, and the Philippines to the south. Taiwan is the most populous state and largest economy that is not a member of the United Nations (UN).  Bucharest is the capital and largest city of Romania, as well as its cultural, industrial, and financial centre. It is located in the southeast of the country, at 44°25′57″N26°06′14″E, on the banks of the Dâmbovița River, less than 60 km (37.3 mi) north of the Danube River and the Bulgarian border. |
