What are the visa & residency requirements in Athens?

"In order to visit Athens, a visitor must obtain a visa from the Greek Embassy or Consulate in their home country. The visa application process requires the submission of a valid passport, a completed visa application form, two passport-sized photographs, and proof of sufficient funds to cover the duration of the stay. Depending on the purpose of the visit, additional documents may be required. In order to obtain residency in Athens, Greece, an individual must apply for a residence permit. The application process requires the submission of a valid passport, a completed application form, two passport-sized photographs, proof of sufficient funds to cover the duration of the stay, and proof of employment or other legal source of income. Depending on the purpose of the stay, additional documents may be required," remarked another expat in Athens, Greece.