This source names Europe directly: "East, the Hasidic masters of Eastern Europe, and the modern founders of Reform, Positive-Historical and Humanistic Judaism."
Source Divinity Atlas Directory Prose, First Edition Category Descriptions
This source names Spain directly: "medieval halakhists and kabbalists of Spain and the Near East, the Hasidic masters of Eastern Europe, and the modern founders of Reform, Positive-Historical and Humanistic Judaism."
Source Divinity Atlas Directory Prose, First Edition Category Descriptions