The word for kitchen in Spanish is cocina. This is a feminine noun, so it takes a feminine adjective when describing it. The masculine adjective for kitchen would be cocinero.
To say that you are in the kitchen, you would say estoy en la cocina. If you want to ask where the kitchen is, you would say ¿dónde está la cocina?
Finally, if you want to say that you cooked in the kitchen, you would say cociné en la cocina. Notice that the word for cooked is cocinado, which is the past tense conjugation of cocinar. There are other conjugations of cocinar that you could use depending on the context. For example, if you are asking someone to cook for you, you would say cocine para mí.
There are other words for kitchen in Spanish as well. Here are a few of them:
cocina – kitchen
cocinero – cook
cocinero, cocinera- cook
cocina y comedor – kitchen and dining room
el comedor – dining room
la cochera – garage (for cars)
el garaje – garage (for cars)
la sala de estar – living room
el salon – living room or sitting room
la sala – living room or sitting room
el comedor – dining room
el salón – sitting room
el estudio – study (usually for men)
la cocina – kitchen, cooking area of a house
la biblioteca – library (may be either masculine or feminine)
cocina – kitchen
el hornillo – cooktop or hotplate
el microondas – microwave oven
el refrigerador – refrigerator
el congelador – freezer
la encimera – countertop, work surface
el fregadero – sink
los armarios – cabinets
los fogones – stove (usually gas)
el horno – oven
el anafe – oven (usually electric)
As you can see, there are a lot of different words for kitchen in Spanish. This can be confusing for English speakers who are just starting to learn Spanish. Just remember that cocina is the most basic word for kitchen, and it can be used to describe most kitchens. If you are not sure which word to use, just ask a Spanish-speaking friend or family member for help.
Now that you know how to say kitchen in Spanish, you can start cooking up some delicious meals! ¡Buen provecho! (Enjoy your meal!)