LATIN DICTIONARYLexicon Latīnum
proper noun · neutersecond declension

Sirmium

Sirmium n sg (genitive Sirmiī or Sirmī)

Meaning

  1. neutersingulara town in Pannonia, modern-day Sremska Mitrovica in Serbia.

Declension

declension
formsingularplural
nominativeSirmium—
genitiveSirmiī
Sirmī		—
dativeSirmiō—
accusativeSirmium—
ablativeSirmiō—
vocativeSirmium—
locativeSirmiī—

Sirmium, ii, n.,
I. an important city of Pannonia Inferior, now Mitrovitz, Sid. Pan. 774; Aus. Ep. 26, 1.

In the Academy Smith's classical dictionaries

GeographySirmiumSirmium (Σίρμιον), an important city in the south-eastern part of Lower Pannonia, was an ancient Celtic place of the Taurisci, on the left bank of the…

Quick answers

What does Sirmium mean in Latin?
Sirmium, a proper noun, means “a town in Pannonia, modern-day Sremska Mitrovica in Serbia.”.
What is the genitive of Sirmium?
The genitive singular is Sirmiī. Sirmium is neuter, second declension.