The AKN terminus, an outlet-centre and a growing service sector. Search intent here is split — one strategy won't cover it.
Kaltenkirchen is 23.000 residents plus a steady visitor stream drawn by the Designer Outlet and the AKN connection to Hamburg. Your local search strategy has to handle two populations: residents looking for long-term providers (dentist, coach, Steuerberater), and the transient shopper segment looking for 'near me'.
Kaltenkirchen grew around the AKN line; the Flugplatz Kaltenkirchen and the Designer Outlet give the town a split character. Marschweg, Moorkaten and Schmalfelder Au form the residential spine; the industrial zone southwest of the centre runs most of the trades. Two GBP strategies work better than one here.
Same region, same Google catchment. Different search patterns.