In ancient times Yalova was known as Helenapolis in memory of Emperor Constantine's mother Helena who designed the entire city. Today, Yalova is an important port city, famous for its  thermal baths.
 
Termal, in the southwestern part of the city is the center of the thermal district and the best place in Turkey to enjoy the curative thermal bath waters. In Termal, there's a wonderful panoramic view of the entire Termal district center from the top of a hill overlooking the city. The Ataturk Mansion, located in Yalova, is now a museum (open to the public weekdays except Monday and Thursday.) Built in 1929, Ataturk's former summer residence displays original furnishings from the early 20th century. For more natural beauty take in Karaca Arboretum, open Sunday afternoons until 6 pm.

Seventeen kilometers west of Yalova, the relaxing resort area of Cinarcik has lovely beaches and modern holiday complexes.

 
Marmara Regions