Furnished with standard and a little bit harsh specialty-cafe decor – Eames plastic side chairs, bright-blue subway tiles, for example – there’s nothing especially unique about Carl Ludwig Cafe, but it’s one of the outlets for excellent coffee near Karlsplatz in District 4. The highlight is the outdoor terrace, overlooking the peaceful and green interior courtyard of a historical building. Students from the nearby University of Technology make up most customers. Lingering is welcome, wifi available.

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