Aegean Region
Turgutlu, also known as Kasaba ("Cassaba" or "Casaba") is a city and district in Manisa Province in the Aegean region of Turkey. According to 2009 census, its district population is 140,753; 115,930 live in the city itself. The district covers an area of at an elevation of . The district is the most populous after the provincial center of Manisa and the second most populous district center, in Turkey's Aegean Region.