Stedum is a village in the Dutch province of Groningen. It is located in the municipality of Eemsdelta, about 15 km northeast of the city of Groniā¦Stedum is a village in the Dutch province of Groningen. It is located in the municipality of Eemsdelta, about 15 km northeast of the city of Groningen. Stedum was a separate municipality until 1990, when it merged with Loppersum.