Alsergrund is the ninth district of Vienna, Austria. It is located just north of the first, central district, Innere Stadt. Alsergrund was incorporated in 1862, with seven suburbs. As a central district, the area is densely populated. According to the census of 2001, there were 37,816 inhabitants over 2.99 square km.

The Innere Stadt is the 1st municipal district of Vienna located in the center of the Austrian capital. The Innere Stadt is the old town of Vienna. Until the city boundaries were expanded in 1850, the Innere Stadt was congruent with the city of Vienna. Traditionally it was divided into four quarters, which were designated after important town gates: Stubenviertel (northeast), Kärntner Viertel (southeast), Widmerviertel (southwest), Schottenviertel (northwest).