Donostialdea

Donostialdea is one of the eight regions of Gipuzkoa, Basque Autonomous Community, corresponding to the basin of the lower Urumea along with a strip of basin corresponding to the Oria River, the region borrowing its name after the capital city of Gipuzkoa Donostia-San Sebastian, in Spain. The region comprises eleven municipalities extending in an area of 305.72 km² (see below, data released in 2006). It borders on the east with the region or comarca of Oarsoaldea, on the south with Leitzaldea or Norte de Aralar in Spanish (Navarre), on the west with Urola Kosta and on the north with the Bay of Biscay.

Partial view of Donostialdea

#	Municipality	Mayor	Party	Population	%	Area (km²)
1	Andoain	Jose Antonio Perez Gabarain	PSE-EE	13,993	4.4	27.17
2	Astigarraga	Vicente Arrizabalaga Bengoetxea	Eusko Alkartasuna	4,156	1.3	11.89
3	Hernani	Marian Beitialarrangoitia Lizarralde	ANV	18,836	5.9	39.82
4	Lasarte-Oria	Ana Urtxuegia Asensio	PSE-EE	17,647	5.5	6.01
5	Lezo	Haritz Salaberria Goikoetxea	ANV	5,912	1.9	8.59
6	Oiartzun	Aitor Etxeberria Txurio	ANV	9,728	3.0	59.71
7	Pasaia	Maider Ziganda Poblacion	ANV	16,104	5.1	11.34
8	Errenteria	Juan Carlos Merino Gonzalez	PSE-EE	37,874	11.9	32.26
9	Donostia	Odon Elorza Gonzalez	PSE-EE	182,930	57.4	60.89
10	Urnieta	Mikel Izagirre Errekondo	Urnieta Denon Artean (Indep.)	5,847	1.8	22.4
11	Usurbil	Xabier Mikel Errekondo Saltsamendi	ANV	5,669	1.8	25.64
	Donostialdea			318,696	100	305.72

Coordinates: 43°19′17″N 1°59′08″W / 43.32139°N 1.98556°W / 43.32139; -1.98556