Semey ), until 2007 known as Semipalatinsk and between 1917–1920 as Alash-Qala, is a city in eastern Kazakhstan, in the Kazakh part of Siberia. When Abai Region was created in 2022, Semey became its administrative centre. It lies along the Irtysh River near the border with Russia, 1,000 kilometers (620 mi) north of Almaty and 700 kilometers (430 mi) southeast of the Russian city of Omsk. Its population is 350,967.

Kazakhstan, officially the Republic of Kazakhstan, is a landlocked country mostly in Central Asia, with a part in Eastern Europe. It borders Russia to the north and west, China to the east, Kyrgyzstan to the southeast, Uzbekistan to the south, and Turkmenistan to the southwest, with a coastline along the Caspian Sea. Its capital is Astana, while the largest city and leading cultural and commercial hub is Almaty. Kazakhstan is the world's ninth-largest country by land area and the largest landlocked country. It has a population of 20 million and one of the lowest population densities in the world, at fewer than 6 people per square kilometre. Ethnic Kazakhs constitute a majority, while ethnic Russians form a significant minority. Officially secular, Kazakhstan is a Muslim-majority country, although ethnic Russians in the country form a sizeable Christian community.