Harju County is a region in northern Estonia, surrounding the capital city, Tallinn. It is known for its diverse landscapes, which include forests, lakes, and coastal areas along the Gulf of Finland. The county is an important economic and cultural center, contributing significantly to the country's development. The population of Harju County is one of the largest in Estonia, with a mix of urban and rural communities. It features several towns and municipalities, including Keila and Maardu. The region is also home to historical sites, parks, and recreational areas, making it a popular destination for both residents and tourists.