What are the visa & residency requirements in Slovakia?

"In order to visit Slovakia, foreign nationals must obtain a visa from a Slovak embassy or consulate prior to their arrival. The process of applying for a visa involves submitting a completed application form, a valid passport, two passport-sized photographs, proof of financial means, and a travel itinerary. In order to obtain residency in Slovakia, foreign nationals must apply for a residence permit. The process of applying for a residence permit involves submitting a completed application form, a valid passport, two passport-sized photographs, proof of financial means, proof of health insurance, and proof of accommodation. Additionally, applicants may be required to provide additional documents such as a criminal record check, a birth certificate, or a marriage certificate," said another expat in Slovakia.