The highland games celebrates the culture of which country?

They celebrate the Scottish and Celtic Culture, they are held in Scotland.

Explanation:

These games consist of several athletic competitions, such as piping, drumming, dancing, caber toss, stone put, among the most popular. Music also plays a big role in the games, even 20 or more bands can get together to play music such as Scotland the Brave, among other national anthems.

Every year they attract over 3.500 competitors and more than 20.000 viewers. They are a vital part of the Scottish culture.