At least four shots hit the outside metal gate of theresidence, which lies behind a security wall on a busy street ina northern suburb of the Greek capital, police said.Investigators have collected 15 spent bullet cases so far.
The police sources said two attackers on foot were involvedin the attack, which occurred at about 3:40 a.m.
Greek Prime Minister Antonis Samaras spoke to the Germanambassador to Athens, Wolfgang Dold, after the incident, apolice statement said.
Anti-German rhetoric has become common among Greekopposition politicians and anti-bailout groups since thecountry's international financial bailout in 2010, due to theharsh austerity policies that accompanied it.