The Rantzau castle town on the Krückau's upper course. Small market, strong local loyalty, easy to dominate.
Barmstedt is 10.500 people, an hour from central Hamburg, with the Rantzau castle island and the Krückau winding through. In a market this size, being in the Google 3-pack for your category is close to having a monopoly on fresh inbound leads.
The Schlossinsel Rantzau on the castle lake, the weekly market in the Chüdenplatz, the Krückau rising here toward Elmshorn — Barmstedt is tightly connected geographically but sparsely populated commercially. One properly optimized business in a category owns that category in residents' local search results.
Same region, same Google catchment. Different search patterns.