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Dublin is an artistic city that proudly displays its history and heritage. It is the capital city of the Republic of Ireland, located on the banks of the River Liffey. The then a prominent city of the British Empire, Dublin has splendour castles, cathedrals, lively pubs and picturesque cobblestoned streets. It is a small and vibrant city, hence easy to discover on foot and public transport. Many airline carriers are serving at Delhi to Dublin flight route.
Best Time to Visit
The city experiences moderate temperatures. The best time to visit Dublin is from June to September when the temperature is mild. Winter from December to February is cold and wet. Rain possibilities are usually positive, so it is good to carry a rain jacket with you while going out. Festivals such as St Patrick’s Day Festival, The Dublin Fringe and Theatre Festival are popular festivals to look before planning a trip. There are numerous of hotels in Dublin for booking.
Places to Visit
The compact city of Dublin has a fair amount of attractions to visit. The 18th-century Dublin Castle, St. Patrick’s Cathedral, Dublin City Gallery, The National Museum of Ireland, former prison at Kilmainham Gaol, Trinity College and Chester Beatty Library are some popular sights to visit. Guinness Storehouse and Jameson Distillery offer a guided tour and tell you about the history and the brewing process. St. Stephen’s Green and Phoenix Park are among the coolest places to spend time leisurely. Phoenix Park is huge and also contains a zoo on the premises so you can happily take your children there. Grafton Street and Creative Quarter are popular shopping areas in the city where you can watch buskers perform while shopping. Since Dublin had been home to literary legends like Oscar Wilde and James Joyce, you can go to a literary pub crawl that includes a walking tour and street performances. 
Food and Restaurants
Though the city of Dublin offers the best treats, it can be a bit expensive too. Do not worry about finding a pub, as perhaps every corner has someone’s favourite haunt. The Temple Bar is a happening place to visit as it has tons of restaurants, bars and pubs. Soda Bread, Shellfish, Irish Stew, Colcannon and Champ, Boxty, Black and white pudding, and Coddle are must-eat local dishes in Dublin.
Transportation
Dublin Airport (DUB) is the major airport serving the city. It is connected to various international and domestic cities with popular air carriers such as Ryanair, Aer Lingus, Emirates, Etihad, Lufthansa. There are no direct flights from India to Dublin. Etihad, Air India, Lufthansa are some of the known air links providing connecting services to Dublin. Cheap flight tickets from here to other popular cities can be booked online on Goibibo. Also, flight status & other details related to international flight booking & air tickets can be easily accessed on it. So for cheapest air tickets, it is recommended to book flights online. Heuston Station and Connolly Station are two important railway stations that connect Dublin to Cork, Belfast, Limerick and other cities of Ireland. Nearby Connolly railway station, Busaras is the major bus station in the city. Eurolines buses connect Dublin to several cities of Europe and Bus Eireann operates to many cities and towns of Ireland. You can also reach Dublin from Wales and England via waterways.
Dublin has an excellent public transportation system. Buses and tram services (Luas) run very efficiently throughout the city. If you are travelling to the suburbs, then you can use the Dublin Area Rapid Transit (DART) line which is time and cost-friendly. A Leap Card is a refundable card and very useful for travel in trams and buses. Public bikes can be rented as well. Taxis are fluid but are very costly, so it is advised to mostly avoid them if you are travelling on a budget. 

Barcelona is the largest industrial hub in Spain and is the capital of Catalonia. This historic city has a fine blend of Catalan and modern architecture along with a large number of unique shopping streets.

Places to visit and things to do

• Eixample is one of the most important areas in Barcelona. The Plaça de Catalunya in this neighbourhood is the busiest square in the city. Eixample is also popular for the most expensive shopping streets in Barcelona, Passeig de Gràcia and Portal de l'Àngel located near the Plaça de Catalunya. There are plenty of 5-star hotels around Eixample that offer the finest luxury to travellers. These hotels are also close to the iconic church Sagrada Familia, one of the most distinctive masterpieces by architect Antoni Gaudí.  Some of the best resorts in Barcelona are near Eixample that offer a relaxing stay and rejuvenating spa massage therapies. 
• Las Ramblas is a lively shopping street in Barcelona that stretches over 1.2 km. The 3-star hotels around Las Ramblas are close to the numerous cafes and restaurants and the popular Boquria Market. These budget hotels are also in close proximity to the Centre d’Art Santa Monica, a contemporary art gallery. 
• La Fonda and Les Quinze Nits are some of the best affordable dine-outs that serve the most popular food in Barcelona, such as paella and tapas. For great Indian food, Tandoori Nights and Shalimar restaurant are two of the best cheap Indian/veg-friendly restaurants in Barcelona that serve tarka dal, saag paneer, vegetable vindaloo, and gulab jamun among others.
• Budget hotels near the Barcelona Airport offer travellers with the best facilities such as free Wi-Fi services and shuttle services.