Stock Photo - STOCKHOLM, SWEDEN Stortorget is Stockholm´s most charming square. Ever since the thirteenth century, this square has formed the heart of Gamla Stan, the Old Town of Stockholm. It is bordered by beautiful patrician houses. . Stortorget, the main square of Stockholm. Stortorget. Ever since the early Middle Ages, this square has been a central meeting place, and on market days the square was bustling with activity. Until 1732, when the city hall moved to the Bondeska Palace, Stortorget was also the political heart of the city. Today the square mostly attracts tourists, many of whom take a break at one of the inviting cafés that border the square.