Here are the latest East Boston neighborhood notes:

Holiday open market

East Boston open market will be held from 11 a.m. to 4 p.m. on Sunday, Dec. 9 at The Eddy, 10 New St.

With more than 40 vendors selling books, paintings, crafts, food items, home décor, perfumes, jewelry, flowers and plants and much more, shoppers will have a chance to get holiday gifts for everyone on their lists.

There will also be kids’ crafts, a book sale, gift-wrapping to benefit local schools, a pet and family holiday photo studio, live entertainment and hot beverages.

Visit www.Facebook.com/eastbostonopenmarket for further details and a list of vendors.

Tree lighting, trolley

The Mayor’s Enchanted Trolley will tour the neighborhood at 4 p.m. on Sunday, Dec. 9, starting at Central Square.

Mayor Marty Walsh will join Santa Claus and his elves to bring holiday cheer and light the Christmas tree at Central Square. Festivities will include carolers, hot chocolate and refreshments, gifts and games for the children.

Visit www.cityofboston.gov/arts or call 617-635-3911 for more information.

Dinner meeting

The Neighborhood of Affordable Housing invites the community to its 31st annual dinner meeting from 6 to 9 p.m. on Thursday, Dec. 13 at Spinelli’s Restaurant, 280 Bennington St.

NOAH’s environmental youth crew will help emcee the evening. A buffet dinner of roast beef, chicken or vegetarian pasta will be served; children’s meals will include pizza. Childcare will be located in an adjacent room.

Tickets are $50, $15 for East Boston residents and business people and $5 for children. Tables of 10 are discounted.

For more information and to purchase tickets, visit www.noahcdc.org or call 617-418-8246.

Citizenship information

The East Boston Branch Library, 365 Bremen St., will host a free USCIS immigration information session on benefits from 10 a.m. to 1 p.m. on Friday, Dec. 14.

A U.S. Citizenship and Immigration officer will give general information on immigration issues such as naturalization and citizenship, eligibility requirements, permanent residency, filing procedures, avoiding scams and finding low cost and safe advice. This is a cooperative effort of USCIS, the Mayor’s Office for Immigration Advancement and Boston Public Library.

Call 617-565-9430 for more information.

Oasis for birds

A free nature walk will be held from 8:30 to 9:30 a.m. on Saturday, Dec. 15 at Belle Isle Marsh. Walkers will meet at the main parking lot on Bennington Street.

Walkers can discover the abundant birdlife at Belle Isle Marsh Reservation, a restored wildlife sanctuary. They will walk while birding for a distance of a mile on easy level terrain. The walk is recommended for adults and children, ages 10 and older, but all ages and experience levels are welcome. All children must be accompanied by an adult.

Some binoculars and a spotting scope will be provided, but please bring these items if you have them. Dress for the weather in warm layers of clothing, sturdy hiking boots or shoes. Inclement weather may cancel; call 978-937-2094, ext. 121 one hour before the start time.

This event is co-sponsored by the Friends of Belle Isle Marsh.

Visit www.mass.gov/dcr/events or call 781-656-1485 for more details.

Navidad Latina

The Veronica Robles Cultural Center, 175 William F. McClellan Hwy., will host Navidad Latina 2018 from 5 to 9 p.m. on Saturday, Dec. 15.

Attendees will enjoy delicious food from various regions of Latin America, piñatas, games, Spanish Christmas carols and more in this largest New England Latin Christmas celebration. This year will feature a Posada, a Mexican Nativity re-enactment of Joseph and Mary seeking lodging.

Parents should register their child/children, as Santa might come down the chimney.

Register at www.eventbrite.com/e/posada-navidad-latina-tickets.

Call 617-558-5720 for further information.

Homework help

Free homework help is available from 3:30 to 5:30 p.m. on Mondays through Thursdays at the East Boston Branch Library, 365 Bremen St.

Students in grades K to 8 are invited to drop in for homework help, academic support and mentoring with trained high-achieving high school students. Homework Help mentor trainings are provided by Harvard University's Public School Partnerships Team. The Boston Public Library Foundation funds this Out-of-School Time program.

Visit www.bpl.org or call 617-569-0271 for further information.

Fun at the library

The East Boston Branch Library, 365 Bremen St., will offer free, fun programming for children during December.

The programs will include Story Time for children, ages 1-5, at 10:30 a.m. on Tuesdays; baby lap-sit for children, younger than two, at 10:30 a.m. on Wednesdays; and Yu-Gi-Oh Club at 1 p.m. on Saturdays.

Caregivers must accompany children to these programs.

For more details, call 617-569-0271.