On about 51 m² you will find so EVERYTHING that is needed:

1 bedroom with double bed
1 living area with TV, kitchenette and dining table as well as 1 sofa bed for 2 persons
 bathroom with bathtub and WC
1 small anteroom
spacious balcony

On about 58 m² you will find so EVERYTHING that is needed:

1 bedroom with double bed
(partly with additional bed next to double bed)
1 living room with TV, sofa bed for 2 persons as well as kitchen and dining table
2 bathrooms (1x with shower and WC, 1x with bathtub and WC)
1 small anteroom
spacious balcony

FEEL FREE on about 72 m² with:

2 bedrooms with 1 double bed each
(some with additional bed next to double bed)
living room with sofa bed and TV, kitchen and dining table
2 bathrooms (1x with shower and WC, 1x with bathtub and WC)
1 anteroom
spacious balcony or terrace

FEEL SUPER FREE on about 95 m² with:

2 bedrooms
1 living room with TV and sofa bed (additional 2 single beds possible) with kitchen area and dining table
2 bathrooms (1x with bathtub and separate WC, 1x with shower and WC)
1 anteroom
1 private sauna
spacious balcony