Mildenhall is described as a posh English village, located in the picturesque English countryside. The video showcases a 4K walk through the village, capturing its beauty and charm. The village is known for its idyllic setting, with neatly manicured gardens, quaint cottages, and traditional English architecture. The video takes viewers on a journey through the village, showcasing its peaceful atmosphere and inviting ambiance. Overall, Mildenhall is a perfect example of a quintessential English village nestled in the heart of the stunning English countryside.