Lathmar Holi is primarily celebrated in the state of:

The correct answer is Uttar Pradesh.

Step-by-Step Explanation:

1. Understanding Lathmar Holi: Lathmar Holi is a traditional Hindu festival celebrated during the season of Holi. It is famous for its unique style where women playfully beat men with wooden sticks (lathis), and men defend themselves with shields.

2. Geographical Location: This celebration takes place in the towns of Barsana and Nandgaon, which are located near Mathura. Mathura is a prominent historical and cultural region situated in the northern Indian state of Uttar Pradesh.

3. Conclusion: Since Barsana and Nandgaon are located in Uttar Pradesh, Lathmar Holi is primarily celebrated in the state of Uttar Pradesh.