At 1993 Czechoslovakia split into two independent countries, Slovakia and the Czech Republic. The Czech Republic with its strong economy is one of the most advanced countries from the ex-socialistic block and it's member of the European Union and NATO, also it's the biggest consumer of WI-FI in Europe. The Czech Republic is overall safe destination, you can walk alone even after dusk. One thing that you will surely notice once there is that everything is touristic attraction and it's paid.
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The best time to visit Czech Republic is during May and September, most of the galleries and museum are open during that time. Most of the Czechs, like the rest of the Europeans, are taking their vacations during July and August, and then again for Easter and Christmas. During these periods the accommodations are most expensive and usually the availabilities are exhausted; the crowds in Prague and the mountain resorts can be really huge. On other hand, most of the festivals are during the summer season, when many cheap accommodations are present in the university towns, because of the student dorms are open for tourists for the summer vacation. Czech republic is full of architectural and historic sites, also it has excellent conditions for family trips, there is something for everybody.
Places of interest in Prague:
St Vitus Cathedral or Prague Castle

One of the defining images of the city rising high directly from
Prague's center is the St Vitus Cathedral. There are number of valuable
monuments hiding inside the cathedral, including the Royal Crypt where
lies the remains of the Czech Royality, the St Wenceslas Chapel, and the
Coronation Chamber where the Crown Jewels are exhibited.
Old Town Square or Staromestske namesti

This is the oldest and most important square in historic Prague, dating
from before the 12th century. It was originally market place gathering
merchants from all over Europe. The square has witnessed many events of
historical importance, like the execution of 27 Bohemian squres in 1621
and the installation of the new city council in 1784 after the five
districts of Prague were united. It was also the epicenter of the Prague
Uprising in May 1945. The Hus Monument surrounded by a baroque mantle of
some of the finest buildings in the city, stands in the square's center.
The square is closed for traffic and it's place of many restaurants and
galleries, you will also notice crowds of young people sitting all over
it like in the park.
Prague Astronomical Clock or Prague Orloj

This is definitely the first thing you will notice on the Old Town
Square. The Orloj consist of astronomical dial, representing the
position of the Sun and Moon and various astronomical details, The Walk
of the Apostles, a clockwork hourly show of figures of the Apostles, and
a calendar dial with medallions representing the months. On every hour
the crowds from the square are gathering to see the figures of the
Apostles going moving. The oldest part of the Orloj dates back to 1410.
Charles Bridge or Karluv Most

The bridge provides stunning view to the castle above and the river
below. It's one of the Prague's attractions, the bridge is wide and full
with touristic souvenirs and artist linking the Lessed Side with the Old
Town. The bridge's foundation stone was laid in 1357. At the end on the
side of the Old Town there are 2 towers revealing magnificent view
(paying tax is required to go on top).
The best time to visit Czech Republic is from May to September, when the weather is mild. April and October are colder, but also the crowds are fewer and the hotel accommodation is cheaper. During the winter you can see everything snow covered and most of the attractions in the smaller towns are closed for visitors. During the summer (June till August) you can see the highest temperatures and the heaviest rainfalls. The cold winter, January - February, often reach temperatures under -5°C in the cities and -10°C to -15°C in the mountain regions. The mountains receive around 130 days of snowy weather annually. The spring (late Mart till May) brings variable rainy weather and sometimes floods. The temperatures during the autumn can reach 20°C during September.
Prague (Praha)

Prague is one of the greener and most beautiful
European cities. Even only 20 years after the fall of the communism,
Prague is one of the main touristic attractions in Europe and its
popularity continue to grow. In your first hours in Prague you can think
that it isn't anything special, in the touristic season it's
overcrowded, the tourists are everywhere. Don't let the first impression
get on you, the city is very beautiful, the whole Prague is set with
stepped terraces with parks, pubs and green places to rest. The city
center is very rich on architecture, from Gothic through Renaissance,
Baroque, Neoclassicism and Cubism. Prague is offering a lot of ways to
have fun, there are a lot of open air pubs, parks, clubs, museums, art
galleries, squares full with people, there is a lot for everybody. There
are wide long streets with small shops around them, but there are also
small twisted streets hidden between the buildings with antiquarian and
touristic shops. Because of the stepped nature of the city, there are
stops at many terraces from where you can take a look a the city beneath
you, many of them have paid binoculars so you can enjoy the view, both
of the red roofs of the houses and the high cathedrals. The public
transport is in very high level, always empty and on time, the subway is
on 3 levels for the needs of the people. This is one highly recommended
destination.
Brno

Brno is the second largest city in Czech Republic,
after Prague. Brno is located in the central part of Europe on average
distance of 200km from Prague, Vienna, and Bratislava. Brno is the
metropolis of Moravia and important touristic center. The city is
surrounded of beautiful forests, offering the opportunity for walk or
biking. Brno is proud with many historic sites, proving its rich
historic heritage. Founded like fisherman village around 8 centuries
ago, the city has witnessed the Napoleon army, survived the merciless
consequences of the Austrian loss in the Battle of the Three Emperors,
it was industrial center of the Hapsburg monarchy called the "Austrian
Manchester", until at 20 century became modern touristic center thanks
to the building of modern buildings. The most important example of
modern architecture in Brno is Villa Tugendhat (UNESCO site). Today Brno
is town of universities and important legal institutions. It offers rich
choice of cultural attractions like theatres and museums, but it also
clubs. Brno is regular host of numerous cultural events, some of the
important sport events.