According to the
United States Census Bureau, Illyria Township covers an area of 36.86 square miles (95.45 square kilometers); of this, 36.85 square miles (95.44 square kilometers, 99.99 percent) is land and 0.01 square miles (0.01 square kilometers, 0.01 percent) is water.
Cities, towns, villages •
Wadena Unincorporated towns •
Illyria at (This list is based on USGS data and may include former settlements.)
Adjacent townships •
Pleasant Valley Township (north) •
Marion Township, Clayton County (northeast) •
Highland Township, Clayton County (east) •
Sperry Township, Clayton County (southeast) •
Fairfield Township (south) •
Smithfield Township (southwest) •
Westfield Township (west) •
Union Township (northwest)
Cemeteries The township contains these three cemeteries: Illyria-Highland, Saint Josephs and Wadena.
Major highways •
Iowa Highway 56 ==School districts==