sentences:  Its area is (8th).Like other lakes in the system, it has a convoluted shoreline with numerous islands and is divided into a number of smaller regions ("selkä") such as Siitinselkä, Saviluoto, Tahkoselkä, Vuoriselkä, Kuokanselkä, Kuivaselkä, Heposelkä, Peonselkä, Tuunaanselkä, Hiekonselkä, Varparannanselkä, and Iso-Haukivesi.Haukivesi stretches from Varkaus to Savonlinna in a northeast–southwest direction.