Lasnamäe Administrative district in the east of Tallinn Tallinn, the largest city and capital of Estonia (population 440 000). (pop. 119,000). is one of the eight administrative districts in Tallinn Tallinn, the largest city and capital of Estonia (population 440 000). (population approx. 119,000). The district has mainly 5 to 16-storey high panel buildings. Lasnamäe Administrative district in the east of Tallinn Tallinn, the largest city and capital of Estonia (population 440 000). (pop. 119,000). is in the eastern part of Tallinn Tallinn, the largest city and capital of Estonia (population 440 000). . Christopher Nolan’s film Tenet was filmed here.