Mustamäe Administrative district in SW of Tallinn Tallinn, the largest city and capital of Estonia (population 440 000). (pop. 67 000). is one of the eight regions of Tallinn Tallinn, the largest city and capital of Estonia (population 440 000). . Mustamäe Administrative district in SW of Tallinn Tallinn, the largest city and capital of Estonia (population 440 000). (pop. 67 000). has the second largest population of them and is 5 kilometres from the city centre. It is the district with most parks, groves and green areas in Tallinn Tallinn, the largest city and capital of Estonia (population 440 000). . The building typ is mostly Sovet-era panel houses. The main issue within the boundaries of Mustamäe Administrative district in SW of Tallinn Tallinn, the largest city and capital of Estonia (population 440 000). (pop. 67 000). is the lack of parking spaces.