# Mateusz Flaga

> Black Belt 1 Stripe | Poland

## Overview

**Name:** Mateusz Flaga

**Belt Rank:** Black Belt 1 Stripe

**Nationality:** Poland

## Gym Affiliations

- **Southeast Jiu-Jitsu** (Kraków, Poland) — Instructor

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**Last Updated:** October 01, 2026

**Data Source:** bjj.space (https://bjj.space/people/mateusz-flaga)