Detail
Type D. - Sandkrug is a Dorf (Village).
Kr Angermünde - The Kreis for Sandkrug is Angermünde. A Kreis is a government district (similar to a U.S. county).
See Chorin 1), Amt - A See notation means the entry is dependent on another entry. In this case, Sandkrug is dependent on Chorin 1), Amt, which should be consulted for additional information.