It lies in the south-east of the Ebersberger Forst (forest) which is one of the largest continuous area of woodlands in Germany.

It includes two traditional rural land units (Gemarkungen in German) named Sankt Christoph and Steinhöring.

Steinhöring is divided into many boroughs: Sankt Christoph and Tulling; Abersdorf, Berg, Endorf, Hintsberg, Schützen und Sensau; the hamlets Aschau, Au, Dichtlmühle, Dietmering, Elchering, Etzenberg, Graben, Höhenberg, Holzhäusln, Kraiß, Niederaltmannsberg, Oberseifsieden, Ötzmann, Rupertsdorf, Schechen, Sprinzenöd, Unterseifsieden, Wall, Welling, Winkl and Zaißing as well as the housing-groups of Blöckl, Buchschechen, Helletsgaden, Hofstett, Hub, Lehen, Lieging, Mayrhof, Meiletskirchen, Neuhardsberg, Oed, Oelmühle, Ranhartsberg, Salzburg, Schätzl, Schweig, Stinau, Thailing, Untermeierhof and Winkl b. Sankt Christoph.

It belonged to the Rentamt [bar; de; es] of Munich and the Court of Swabia of the Electorate of Bavaria and was the seat of a captaincy (Hauptmannschaft).

In 1936, the Nazi racial organization Lebensborn’s first “Mother-Child-Home” (Mutter-Kind-Heim) was opened in Steinhöring.