Linköping Municipality is a municipality in Östergötland County in southern Sweden. With more than 165,000 inhabitants, it is the fifth largest mu…Linköping Municipality is a municipality in Östergötland County in southern Sweden. With more than 165,000 inhabitants, it is the fifth largest municipality in Sweden. The municipality is bordered in the west by Motala, and thence clockwise by Finspång, Norrköping, Söderköping, Åtvidaberg, Kinda, Boxholm and Mjölby municipalities.