This is a 2-Day Guided Tour package for you if you are staying in Helsinki for 2-3 days.
On the first day morning, you will meet your guide at the Helsinki Central Railway Station and start the guided tour for Helsinki city highlights. You will visit most must-not-miss spots, e.g., the Helsinki Cathedral, Senate Square, Uspenski Cathedral, Rock Church, Sibelius Park, Olympic Stadium, Market Square, Market Hall, Esplanadi Park, etc. by the city tram. In the afternoon you will take a round-trip ferry to Suomenlinna, the sea fortress of Finland.
On the second day, you will meet the guide at bus station and take inter-city bus to Porvoo, the medieval town in the Southern Finland. You will have a guided tour in this lovely old town and some own free time to walk around. In the afternoon you will take the inter-city bus back to Helsinki and have a restful evening.