Kastelholms Castle is a 14th century Swedish built medieval castle in Sund, Aaland and located 25km northeast of Mariehamn. Thanks to Uli of Austria who mailed this nice postcard from Mariehamn, Aaland.
My worldwide collection of postcards written stamped and mailed to me from the country of origin. Trying to get 20 postcards sent from every country. Thank you. Xie xie. Merci. Gracias. Terima kasih.