The Račna Karst Field is a karst field in the northern edge of the Lower Carniolan karst area, south of Grosuplje, Slovenia. It has rich natural and cultural value. Because of its ecological significance, it is anticipated that a nature park will be established there and that it will be included in the Natura 2000 program.

Boštanj is a formerly independent settlement in the southern part of the village of Veliko Mlačevo in central Slovenia. It belongs to the Municipality of Grosuplje. It is part of the traditional region of Lower Carniola and is now included with the rest of the municipality in the Central Slovenia Statistical Region.