Agriculture in Albania is still a significant sector of the economy of Albania, which contributes to 22.5% of the country's GDP. The country spans 28,748 square kilometres (11,100 square miles) of which 24% is agricultural land, 36% forest land, 15% pasture and meadow and 25% urban areas including lakes, waterways, unused rocky and mountain land. It can be separated into three main zones such as the lowland zone alongside the coastline of the country, the hill zone in the lowland and the mountain zone. One of the earliest farming sites in Europe has been found in Southeastern Albania.