Pola. HauptplatzBuy wall art of this image titled: Pola. Hauptplatz, from the Vintage Photochrom Postcards Collection by Second Story Prints. Top quality print reproductions available now! Tags Plazas. Buildings. Croatia Pula. Notes Title from item. Title in Detroit Publishing Co., Catalogue J foreign section, Detroit, Mich. : Detroit Publishing Company, 1905: "Austro Hungary. Istria. Pola. Main Square." Print no. "9969. P. Z." Purchase; Detroit Publishing Company;