Illens County is a medium-sized county located in the northeast region of Bloxoming, being part of a group of bordering counties that includes, in addition to Illens County, Waffle County (Nebloxa) and Hunriah County (South Dabloxa). The capital of Illens County is Kroostein. The landscape of Illens County is predominantly flat, with a river called the Molen River running through the east of the county.

The population of Illens County is, according to the 2020 Robloxian Census, 98,883 people, with 40,000 people having arrived in the city since 2010. Its economy comes from tourism (end of the year) and industries (rest of the year).

Illens County is well known in the Midwest because of its winter festival, which is celebrated from December 3 to December 10, a period when the first snow of the year falls in its capital, Kroostein.