Learn how to say Blenheim Palace correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word Blenheim:
1a battle in 1704 in Bavaria, near the village of Blindheim, in which the English, under the Duke of Marlborough, defeated the French and the Bavarians.
2 (also Blenheim Palace) the Duke of Marlborough’s seat at Woodstock near Oxford, a stately home designed by Vanbrugh (1705). The house and its estate were given to the first Duke of Marlborough in honour of his victory at Blenheim.