Bürg is a prominent lunar impact crater in the northeast part of the Moon.

It lies within the lava-flooded, ruined crater formation designated Lacus Mortis.

To the west, beyond the rim of Lacus Mortis, is the prominent crater Eudoxus.

[3] To the west is a rille system designated the Rimae Bürg, which spans a distance of about 100 kilometers.

[4]: 2 By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Bürg.