Although it took its name from the region called Prussia, it was based in the Margraviate of Brandenburg, where its capital was Berlin.
यद्यपि इसका नाम 'प्रशा' नामक क्षेत्र से लिया गया था, किन्तु यह ब्राण्डेनबर्ग मार्ग्रेविएट (Margraviate of Brandenburg) में स्थित था और बर्लिन इसकी राजधानी थी।