Giesen is a village and a municipality in the district of Hildesheim, in Lower Saxony, Germany. It is situated approximately 6 km northwest of Hildesheim, and 22 km southeast of Hanover.

The municipality includes five villages:

• Ahrbergen (pop. 2,219)
• Emmerke (pop. 1,684)
• Giesen (pop. 3,401)
• Groß Förste (pop. 795)
• Hasede (pop. 1,606)

• 
  Gross Giesen, Sankt-Vitus-Kirche
• 
  Klein Giesen, estate next to the village place
• 
  Ahrbergen, view to the village
• 
  Gross Förste, catholic church: Kirche Sankt Pankratius
• 
  Hasede, church: die Sankt Paulus Kirche
• 
  Siegfried-Giesen mining hamlet

Sons and daughters of the community:

• Hermann Schnipkoweit (born 1928), politician (CDU)

Personalities associated with this community:

• Michael Weiner (born 1969), football referee, lives in the district of Hasede