Inessive case is a locative grammatical case. The inessive carries the basic meaning of "in": "talo" (house)-> "talossa" meaning "in the house" (Finnish), "majas" - "in the house" (Estonian), "házban" - "in the house" (Hungarian).

In Finnish typically formed by adding "ssa/ssä", in Estonian - "s" to the genitive stem. In Hungarian suffix "ban/ben" is most commonly used for inessive, although many others, such as -on, -re, -en, and others are also used, especially with cities.

In the Finnish language, inessive is the first of the six locative cases which as their basic meaning correspond to locational prepositions in English.

The other locative cases in Finnish are: