- Tiksi is a small city located in the Republic of Sakha (Yakutia) in northeastern Russia. It is situated on the coast of the Laptev Sea, which is part of the Arctic Ocean. Tiksi is known for its extremely cold temperatures, with winter temperatures dropping below -50 degrees Celsius (-58 degrees Fahrenheit). It is also an important port for shipping goods and supplies to settlements in the Russian Arctic. The city has a population of around 5,000 people and provides basic facilities such as schools, healthcare, and transportation services.