May my employer track my location via GPS?

See our extensive article May employer track location. Core: GPS in company car/phone only under four conditions — works council consent (WOR Art. 27(1)(k)), DPIA, prior notice, and only during work hours. For employee protection: Bărbulescu jurisprudence + GDPR give employee Art. 15 access to location data + Art. 21 objection. Outside work hours = private — tracking must automatically be OFF. Specific contexts: delivery personnel (legitimate interest stronger), drivers (driving/rest hours check), homecare workers (proportionality test). NOT allowed: tracking app on employee's private phone, location monitoring during break, weekend, or vacation. AP enforcement 2023-2025: multiple fines for businesses with 24/7 tracking without basis — €50k-€500k.