The Sea of Azov is an inland shelf sea in Eastern Europe connected to the Black Sea by the narrow Strait of Kerch, and is sometimes regarded as a northern extension of the Black Sea. The sea is bounded by Russia on the east, and by Ukraine on the northwest and southwest, currently under Russian occupation. It is an important access route for Central Asia, from the Caspian Sea via the Volga–Don Canal.
The Kerch Strait is a strait in Eastern Europe. It connects the Black Sea and the Sea of Azov, separating the Kerch Peninsula of Crimea in the west from the Taman Peninsula of Russia's Krasnodar Krai in the east. The strait is 3.1 kilometres (1.9 mi) to 15 kilometres (9.3 mi) wide and up to 18 metres (59 ft) deep. The most important harbor, the Crimean city of Kerch, gives its name to the strait, formerly known as the Cimmerian Bosporus. It has also been called the Straits of Yenikale after the Yeni-Kale fortress in Kerch.
The Ukrainian Navy is the maritime forces of Ukraine and one of the five branches of the Armed Forces of Ukraine.
Tuzla Island is a sandy islet in the form of a spit located in the middle of the Strait of Kerch, between the Kerch Peninsula in the west and the Taman Peninsula in the east. The island was formed from part of the Taman Peninsula after a 1925 storm.
The Crimean Bridge, also called Kerch Strait Bridge or Kerch Bridge, is a pair of parallel bridges, one for a four-lane road and one for a double-track railway, spanning the Kerch Strait between the Taman Peninsula of Krasnodar Krai in Russia and the Kerch Peninsula of Crimea. Built by the Russian Federation after the annexation of Crimea at the start of 2014, the bridge cost ₽227.92 billion (US$3.7 billion) and has a length of 19 km (12 mi), making it the longest bridge in Europe and the longest bridge ever constructed by Russia.
The Spits of the Sea of Azov are spits in the Sea of Azov which can be as long as 112 km, 45 km, 31 km, 30 km and 23 km. Their total length exceeds 300 km which is larger than the width of the sea.
State Border of Ukraine is an international boundary of the state territory of Ukraine. According to Article 1 of the Law of Ukraine on the State Border it is a line and a vertical surface that stretches along that line, which define the boundary of territory of Ukraine over the land, water, and air space.
The Russia–Ukraine border is the de jure international boundary between Russia and Ukraine. Over land, the border spans five Russian oblasts and five Ukrainian oblasts. Due to the ongoing Russo-Ukrainian War, which began in early 2014, the de facto border between Russia and Ukraine is different from the legal border recognized by the United Nations. As of 2023, Russia is militarily occupying a significant portion of Ukraine.
The Autonomous Republic of Crimea is an administrative division of Ukraine encompassing most of Crimea that was annexed by Russia in 2014. The Autonomous Republic of Crimea occupies most of the peninsula, while the City of Sevastopol occupies the rest.
The Partition Treaty on the Status and Conditions of the Black Sea Fleet consists of three bilateral agreements between Russia and Ukraine signed on 28 May 1997 whereby the two countries established two independent national fleets, divided armaments and bases between them, and set forth conditions for basing of the Russian Black Sea Fleet in Crimea. The treaty was supplemented by provisions in the Russian–Ukrainian Friendship Treaty, which was signed three days later. Russia unilaterally terminated the Partition Treaty in 2014 after it annexed Crimea.
The Treaty on Friendship, Cooperation, and Partnership between Ukraine and the Russian Federation was an agreement between Ukraine and Russia, signed in 1997, which fixed the principle of strategic partnership, the recognition of the inviolability of existing borders, and respect for territorial integrity and mutual commitment not to use its territory to harm the security of each other. The treaty prevents Ukraine and Russia from invading one another's country respectively, and declaring war. Due to the beginning of the Russo-Ukrainian War in 2014, Ukraine announced its intention not to renew the treaty in September 2018. The treaty consequently expired on 31 March 2019. The treaty was also known as the "Big Treaty".
Ukrainian Sea Ports Authority (USPA) (Ukrainian: Адміністрація морських портів України (АМПУ)) is a state company created in 2013 after the adoption of the law "On Sea Ports of Ukraine" and united all ports of Ukraine under one administration. Total throughput of 13 seaports in 2019 exceeded 160 million tons.
Kerch–Yenikale canal is a maritime shipping canal in the Kerch Strait. It connects the Sea of Azov and the Black Sea.
The Kerch Strait incident was an international incident that occurred on 25 November 2018 in the Kerch Strait, during which the Russian Federal Security Service (FSB) coast guard fired upon and captured three Ukrainian Navy vessels after they attempted to transit from the Black Sea into the Sea of Azov through the strait on their way to the port of Mariupol. It was the first time that Russian forces had openly engaged Ukrainian forces during the Russo-Ukrainian War.
The legal basis for the introduction of martial law in Ukraine is the Constitution of Ukraine, the Law of Ukraine "On the legal status of martial law" and presidential decrees about the introduction of martial law. Modern-day martial law has been introduced two times in Ukraine.
A crisis in Russia–Ukraine relations developed at the end of 2003 caused by disputes over the ownership of Tuzla Island and the construction by Russia of a dam in the Kerch Strait to Tuzla Island. The dispute raised fears of an armed confrontation.
The 2021 Black Sea incident was a diplomatic incident between Russia and the United Kingdom involving the British destroyer HMS Defender while it transited from Odesa, Ukraine, to Batumi, Georgia.
Events in the year 2003 in Ukraine.
The Russian occupation of Crimea is an ongoing military occupation within Ukraine by the Russian Federation, which began on 20 February 2014 when the military-political, administrative, economic and social order of Russia was imposed on the Autonomous Republic of Crimea and Sevastopol. The occupation of Crimea and Sevastopol was the beginning of the Russo-Ukrainian War.
