Karasu, Sakarya

Karasu is a municipality and district of Sakarya Province, Turkey. Its area is 411 km2, and its population is 70,600 (2022). It is on the Black Sea coast, and its population increases in the summer due to tourism. Much of its commerce centers on hazelnut farming and tourism.

The Acarlar Floodplain Forest is located partly in Karasu.

Economy
Historically, Karasu has produced zinc and lead, which they started mining in 1898. When World War I started, production in the area declined.

Composition
There are 40 neighbourhoods in Karasu District:


 * Adatepe
 * Akkum
 * Ardıçbeli
 * Aziziye
 * Camitepe
 * Çatalövez
 * Darıçayırı
 * Denizköy
 * Gölköprü
 * Hürriyet
 * İhsaniye
 * İncilli
 * Kabakoz
 * Kancalar
 * Karamüezzinler
 * Karanlıkdere
 * Karapınar
 * Karasu
 * Kızılcık
 * Konacık
 * Kurudere
 * Kurumeşe
 * Kuyumcullu
 * Kuzuluk
 * Limandere
 * Manavpınarı
 * Ortaköy
 * Paralı
 * Resuller
 * Subatağı
 * Taşlıgeçit
 * Tepetarla
 * Tuzla
 * Üçoluk
 * Yalı
 * Yassıgeçit
 * Yeni
 * Yenidoğan
 * Yeşilköy
 * Yuvalıdere